Click <menuchoice>Settings</menuchoice>, and enable <menuchoice>Gestures</menuchoice>. The default mousebutton is set to "2" (mouse wheel). You can choose <menuchoice>3</menuchoice> (right button) if you prefer it.

Click <menuchoice>Settings</menuchoice>, and enable <menuchoice>Gestures</menuchoice>. The default mousebutton is set to "2" (mouse wheel). You can choose <menuchoice>3</menuchoice> (right button) if you prefer it.